42628820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1291}}^1$

素因数の和:1440

約数の個数: 48

約数和(自身を含む): 97241088

約数和(自身を除く): 54612268

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 1270, 1291, 1651, 2540, 2582, 3302, 5164, 6455, 6604, 8255, 12910, 16510, 16783, 25820, 33020, 33566, 67132, 83915, 163957, 167830, 327914, 335660, 655828, 819785, 1639570, 2131441, 3279140, 4262882, 8525764, 10657205, 21314410, 42628820]

約数ペア:

[(1, 42628820), (2, 21314410), (4, 10657205), (5, 8525764), (10, 4262882), (13, 3279140), (20, 2131441), (26, 1639570), (52, 819785), (65, 655828), (127, 335660), (130, 327914), (254, 167830), (260, 163957), (508, 83915), (635, 67132), (1270, 33566), (1291, 33020), (1651, 25820), (2540, 16783), (2582, 16510), (3302, 12910), (5164, 8255), (6455, 6604)]